From: Antony Dovgal <tony2001@php.net>
Date: Wed, 11 Oct 2006 14:46:31 +0000 (+0000)
Subject: check filter and class names for empty strings
X-Git-Tag: RELEASE_1_0_0RC1~1311
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4a8aaa1e4d13ae8c1274f2e09ffa9067c43ad33b;p=php

check filter and class names for empty strings
---

diff --git a/ext/standard/user_filters.c b/ext/standard/user_filters.c
index 4112354c78..fe32497250 100644
--- a/ext/standard/user_filters.c
+++ b/ext/standard/user_filters.c
@@ -565,6 +565,16 @@ PHP_FUNCTION(stream_filter_register)
 
 	RETVAL_FALSE;
 
+	if (!filtername_len) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filter name cannot be empty");
+		return;
+	}
+
+	if (!classname_len) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Class name cannot be empty");
+		return;
+	}
+
 	if (!BG(user_filter_map)) {
 		BG(user_filter_map) = (HashTable*) emalloc(sizeof(HashTable));
 		zend_hash_init(BG(user_filter_map), 5, NULL, (dtor_func_t) filter_item_dtor, 0);